The O-Ring, cataloged under National Stock Number 5331-00-770-8074, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is General Motors Corp. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-770-8074 |
| Primary Part Number | 6766497 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.435 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN |
| Material | RUBBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7708074 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 6766497 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 6766497 PRIMARY | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 5331007708074 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5331-00-770-8074 is a O-Ring, manufactured by General Motors Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-770-8074 has 3 manufacturer part numbers on file: 7708074 (U S Army Tank Automotive Command Amsta-Im-Mm), 6766497 (Allison Transmission Inc Dba Allison Transmission, Inc), 6766497 (General Motors Corp).
Key specifications for 6766497: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 0.435 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN; Material: RUBBER. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.